Masonry Fireplace - Waterford Ashling Installation & Operating Instructions Manual

with the inside of the masonry chimney flue and
shall be sealed to the flue and to the brick mason-
ry penetration with non-water-soluble refractory
cement. Supports should be securely fastened to
wall surfaces on all sides.
supports and the chimney length must not pene-
trate the chimney liner.
Method 3:
Sheet steel chimney connector min. 24 gauge
stainless steel with a ventilated thimble, having
two 1" (25mm) air channels, separated from com-
bustibles by a min. of 6" (150mm) of non-com-
bustible insulation having a thermal conductivity of
1.0 Btu.in./ft.F (4.88kg. cal/hr.m.C) or less. The
opening should be covered and thimble supported
with sheet steel. Supports should be securely fas-
tened to wall surfaces on all sides and should be
sized to fit and hold the chimney connector.
Method 4:
A solid insulated, Listed factory - built chimney
length with an inside diameter 2" (50mm) larger
than the chimney connector and having 1" (25mm)
or more of insulation, serving as a pass-through for
a single wall sheet steel chimney connector of
min.24 gauge thickness with a min.2" (50mm) air
space between the outer wall of chimney section
and combustibles. Minimum length of chimney
section must be 12" (305mm) Chimney section
concentric with a space 1" (25mm) away from con-
nector by means of sheet steel support plates on
both ends of chimney section. The opening must
be covered and the chimney section supported on
both sides.
Fasteners between
Minimum 12"
(305mm) to
combustibles
(228mm)
(50mm)
Minimum 6"
(150mm) glass
fibre insulation
(25mm)
(50mm)

MASONRY FIREPLACE

If the stove is to be installed on the hearth exten-
sion of a masonry fireplace a continuous chimney
liner must be attached to the flue collar. In the
USA this liner may terminate at or above the first
flue tile. In Canada the liner must extend to the top
of the chimney.
mantle and tile trim see 'Minimum Clearances to
Combustibles (page 7).
Before installation, the entire fireplace system
should be inspected for condition and code compli-
12
(50mm)
(228mm) minimum
(25mm) constructed of
For clearance to combustible
Fig. 34
Fig.35